@import"https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,400;0,500;0,600;0,700;0,800;0,900&display=swap";:root{--bg: #000000;--surface: #181817;--surface-2: #232321;--gold: #ffc83d;--gold-deep: #b86f00;--cream: #f5f2e9;--text: #fffffb;--text-2: #bbbbbd;--danger: #ff4d4d;--ok: #4dd08a;--line: rgba(245, 242, 233, .12);--line-gold: rgba(255, 200, 61, .28)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Montserrat,system-ui,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased}a{color:var(--gold);text-decoration:none}button{font-family:inherit;cursor:pointer}input,select,textarea{font-family:inherit;background:#181817e6;border:1px solid var(--line);color:var(--text);border-radius:12px;padding:11px 13px;width:100%;font-size:14px}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--gold)}input::placeholder{color:#6f6f72}label{display:block;font-size:11px;color:var(--text-2);margin-bottom:6px;text-transform:uppercase;letter-spacing:1px;font-weight:600}.btn{background:linear-gradient(135deg,#ffd95e,var(--gold) 55%,var(--gold-deep));color:#1a1205;border:none;border-radius:999px;padding:11px 20px;font-weight:800;font-size:13px;letter-spacing:.4px;text-transform:uppercase;box-shadow:0 6px 20px #ffc83d33;transition:transform .15s}.btn:hover{transform:translateY(-2px)}.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}.btn-ghost{background:#ffffff08;color:var(--text);border:1px solid var(--line-gold);border-radius:999px;padding:8px 15px;font-size:12px;font-weight:700;letter-spacing:.3px;transition:background .15s}.btn-ghost:hover{background:#ffc83d14}.btn-danger{background:transparent;color:var(--danger);border:1px solid rgba(255,77,77,.4);border-radius:999px;padding:8px 15px;font-size:12px;font-weight:700}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px;position:relative;overflow:hidden}.login-wrap:before{content:"";position:absolute;top:-180px;right:-200px;width:620px;height:620px;background:url(/brand/bubble_ring.webp) center / contain no-repeat;filter:blur(2px);opacity:.38}.login-wrap:after{content:"";position:absolute;bottom:-240px;left:-220px;width:560px;height:560px;background:url(/brand/bubble_flow.webp) center / contain no-repeat;filter:blur(3px);opacity:.2;transform:rotate(150deg)}.login-card{position:relative;z-index:1;width:100%;max-width:400px;background:linear-gradient(160deg,#232321eb,#181817d9);border:1px solid var(--line-gold);border-radius:28px;padding:40px 36px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.brand{display:flex;flex-direction:column;align-items:center;gap:12px}.brand img{width:68px;height:68px}.brand b{color:var(--cream);font-weight:900;letter-spacing:7px;font-size:24px}.brand small{color:var(--text-2);font-weight:600;letter-spacing:2px;font-size:10px;text-transform:uppercase}.app{display:grid;grid-template-columns:250px 1fr;min-height:100vh}.sidebar{background:linear-gradient(180deg,#23232199,#18181766);border-right:1px solid var(--line);padding:28px 18px;display:flex;flex-direction:column;gap:4px}.sidebar .brand{flex-direction:row;gap:11px;align-items:center;justify-content:flex-start;margin-bottom:28px}.sidebar .brand img{width:38px;height:38px}.sidebar .brand b{font-size:19px;letter-spacing:5px}.nav-item{display:block;padding:12px 15px;border-radius:12px;color:var(--text-2);font-size:14px;font-weight:600;transition:background .15s,color .15s}.nav-item.active,.nav-item:hover{background:#ffc83d1a;color:var(--cream)}.nav-item.active{color:var(--gold)}.sidebar-foot{margin-top:auto}.main{padding:32px 36px;overflow-y:auto;max-height:100vh}.page-title{font-size:24px;font-weight:800;color:var(--cream);margin-bottom:4px;letter-spacing:.5px}.page-sub{color:var(--text-2);font-size:14px;margin-bottom:26px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:30px}.card{position:relative;background:linear-gradient(160deg,#232321b3,#18181780);border:1px solid var(--line);border-radius:20px;padding:20px 22px;overflow:hidden}.card:after{content:"";position:absolute;top:-18px;right:-18px;width:60px;height:60px;border-radius:50%;background:radial-gradient(circle at 35% 30%,rgba(255,200,61,.25),transparent 70%)}.card .k{color:var(--text-2);font-size:11px;text-transform:uppercase;letter-spacing:1px;font-weight:600}.card .v{font-size:30px;font-weight:900;color:var(--gold);margin-top:8px}.card .v.small{font-size:20px;color:var(--cream)}.panel{background:linear-gradient(160deg,#2323218c,#18181766);border:1px solid var(--line);border-radius:20px;overflow:hidden}table{width:100%;border-collapse:collapse;font-size:13.5px}th{text-align:left;padding:13px 18px;background:#ffc83d0f;color:var(--gold);font-weight:800;font-size:11px;text-transform:uppercase;letter-spacing:.6px}td{padding:14px 18px;border-top:1px solid var(--line);color:var(--text);vertical-align:middle}tr:hover td{background:#ffffff05}.badge{display:inline-block;padding:4px 11px;border-radius:999px;font-size:11px;font-weight:800;letter-spacing:.4px;text-transform:uppercase}.badge.ok{background:#4dd08a26;color:var(--ok)}.badge.warn{background:#ffc83d26;color:var(--gold)}.badge.off{background:#ff4d4d21;color:var(--danger)}.badge.muted{background:#f5f2e914;color:var(--text-2)}.row-actions{display:flex;gap:8px;flex-wrap:wrap}.toolbar{display:flex;gap:12px;align-items:center;margin-bottom:18px;flex-wrap:wrap}.spacer{flex:1}.error{color:var(--danger);font-size:13px;margin-top:8px}.muted{color:var(--text-2)}.center{display:grid;place-items:center;padding:50px;color:var(--text-2)}.modal-bg{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000bf;display:grid;place-items:center;padding:20px;z-index:50;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal{background:linear-gradient(160deg,#232321f5,#121211f5);border:1px solid var(--line-gold);border-radius:22px;padding:28px;width:100%;max-width:500px;max-height:90vh;overflow-y:auto}.modal h3{color:var(--cream);margin-bottom:18px;letter-spacing:.5px}.field{margin-bottom:15px}.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:22px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}.badge-btn{background:none;border:none;padding:0;cursor:pointer}.badge-btn:hover{filter:brightness(1.15)}.capa-img{width:46px;height:46px;border-radius:10px;object-fit:cover;border:1px solid var(--line);flex-shrink:0}.capa-ph{width:46px;height:46px;border-radius:10px;display:grid;place-items:center;background:#ffc83d1f;color:var(--gold);font-weight:900;font-size:18px;flex-shrink:0}.capa-preview{display:block;margin-top:10px;max-width:200px;border-radius:10px;border:1px solid var(--line)}.switch-row{display:flex;gap:12px;align-items:flex-start;padding:14px;background:#ffffff08;border:1px solid var(--line);border-radius:14px;cursor:pointer}.switch-row input{width:auto;margin-top:3px}.aulas-list{margin-bottom:18px;display:flex;flex-direction:column;gap:8px}.aula-item{display:flex;gap:12px;align-items:center;padding:10px;background:#ffffff08;border:1px solid var(--line);border-radius:14px}.aula-ord{display:flex;flex-direction:column;align-items:center;gap:2px}.aula-ord .num{font-weight:800;color:var(--gold);font-size:13px}.aula-ord .mini{width:24px;height:20px;padding:0;border-radius:6px;background:#ffffff0d;border:1px solid var(--line);color:var(--text);font-size:11px;cursor:pointer}.aula-ord .mini:disabled{opacity:.3;cursor:default}.aula-thumb{width:64px;height:40px;border-radius:8px;object-fit:cover;border:1px solid var(--line);flex-shrink:0}.aula-thumb.ph{display:grid;place-items:center;background:#ffffff0d;color:var(--text-2)}.aula-form{border-top:1px solid var(--line);padding-top:16px;margin-top:4px}.aula-form-title{font-weight:800;color:var(--gold);font-size:12px;text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px}@media (max-width: 760px){.app{grid-template-columns:1fr}.sidebar{flex-direction:row;overflow-x:auto;align-items:center}.sidebar .brand{margin:0 16px 0 0}.sidebar-foot{margin:0 0 0 auto}.grid-2{grid-template-columns:1fr}}